title: Sildenafil: a definitive NO in COPD.
authors.affiliation: VU University Medical Center/Institute for Cardiovascular Research, Amsterdam, The Netherlands.
authors.forename: Anton
authors.initials: A
authors.lastname: Vonk-Noordegraaf
authors.forename: Bart G
authors.initials: BG
authors.lastname: Boerrigter
mesh_terms: D017079:Exercise Tolerance; D005260:Female; D006801:Humans; D006976:Hypertension, Pulmonary / Q000188:drug therapy*; D008297:Male; D010879:Piperazines / Q000627:therapeutic use*; D029424:Pulmonary Disease, Chronic Obstructive / Q000188:drug therapy*; D011687:Purines / Q000627:therapeutic use; D000068677:Sildenafil Citrate; D013450:Sulfones / Q000627:therapeutic use*; D014665:Vasodilator Agents / Q000627:therapeutic use*
chemical_list: D010879:Piperazines; D011687:Purines; D013450:Sulfones; D014665:Vasodilator Agents; D000068677:Sildenafil Citrate